Evidence row 1532920

What was observed

{
  "endpoints": [
    [
      "web",
      "https://api.switch402.com/"
    ],
    [
      "mcp",
      "https://api.switch402.com/mcp"
    ]
  ],
  "name": "switch402",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-31T18:23:48.381524Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T18:23:48.381524Z",
        "updatedAt": "2026-10-31T18:23:48.381524Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "_meta": {
        "io.modelcontextprotocol.registry/publisher-provided": {
          "payment": "x402 v2 over MCP: unpaid tools/call returns isError + PaymentRequired; retry with _meta[\"x402/payment\"]",
          "pricing": {
            "map": "$0.001 USDC on Base via x402",
            "metadata": "$0.001 USDC on Base via x402",
            "pdf": "$0.008 USDC on Base via x402",
            "quote": "free",
            "scrape": "$0.008 USDC on Base via x402",
            "scrape_lite": "$0.003 USDC on Base via x402",
            "screenshot": "$0.008 USDC on Base via x402",
            "screenshot_full": "$0.012 USDC on Base via x402",
            "search": "$0.008 USDC on Base via x402"
          },
          "x402_discovery": "https://api.switch402.com/.well-known/x402"
        }
      },
      "description": "Markdown scrape, site map, page metadata, screenshots, web search and PDF to text. Pay per call",
      "name": "com.switch402/switch402",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://api.switch402.com/mcp"
        }
      ],
      "title": "switch402",
      "version": "0.4.1",
      "websiteUrl": "https://api.switch402.com/"
    }
  },
  "source": "mcp_registry",
  "summary": "Markdown scrape, site map, page metadata, screenshots, web search and PDF to text. Pay per call"
}

What the leaf hashes

{"body":"10fcefb46ea799f9ced61323cec9dee0416da04b697c2178b499408e3c5b3f52","id":1532920,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793474210609034,"prev":1503279,"subject":"mcp_registry:com.switch402/switch402","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0xd80f728f3a08f766c48292baa7ceb1aaa0ecdcc3534c4c0d29f14b0c6bc3d5ee
2. 0x4dbe8de48128a8dab4c92ab5e3629e275b42a61d04c38d15188d928f5a82442a
3. 0x98631bab30539bac57f1bd683459ec0f8484250ef2cf179277bcae73bce69f91
4. 0xef745f0b3f6d16b65e7340c6f4c8633a498cb3b533e846c396b5645cf808eaee
5. 0x72d99cac28445de60914a5dd73bfbc15066d2912cc88f39e43fc68bdc316ee68
6. 0xe7a69f2fb7669f93059301c8fae77c8190ac7ca763b9a4fd9ff8815c4c5202ff
7. 0xff562b67150b3d73154b675bb4142017b5bce172afa41104bc7844e2fb13d35e
8. 0x7a0348db2446debd9897b2a55253319a5eb330245b32bcee2c79a911eabe1ccb
9. 0xecdeec8727a072f5d23d8e5d69bb8b453ea952f78338c0a1f4f1ba3d4d82f9f7
10. 0xa11f6bc5da624812f0a3480a3740825fadbcff0df6ed8f12bb378650e8fb2b4e
11. 0x2f1d3cf5fd97ea3fcd94342d621bb74344be59020880741b1d63a78509027f15
12. 0xa01468546279126a76e0caa4087e762c5b9cf10871c807251798780dbcef7222
13. 0x038a2412ec8e3d4a12539a306e922d37b7bcdc9c06fa088d9b6af9eec134421a
14. 0x33d6b05cf42539c0ad2d9f9d3b99e4003beca3e59b45affa3d20cf6d400d4bbf
15. 0xad3f03d7f9e1b66264ddfca29446faf13bc0fee7d8eec5f018d0d45302d3f8fd
16. 0x24f03354dcb3a621317889ed99048bdf74b380516ca991bfb585c751d5cc7dfd
17. 0xa1146af524f673843507e7427a575964580eef01bc0e0eae466a7920df017ab2
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0